US Bridges

Lanphier Lane over Little Hoosic Riv

Poor

Rensselaer County, New York · 1.6 MI S of RTE 22 and Rt · Structure no. 000000002201480

Built
1935
90 years old, rebuilt 2003
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
9
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lanphier Lane over Little Hoosic Riv is a steel stringer/multi-beam or girder carrying Lanphier Lane over Little Hoosic Riv in Rensselaer County, New York. It was built in 1935 and reconstructed in 2003, so it is 90 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9 vehicles a day, roughly 10% of them trucks, projected to reach 13 by 2037. The structure is 29 ft (8.8 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLanphier Lane
CrossesLittle Hoosic Riv
Location1.6 MI S of RTE 22 and Rt
Coordinates42.67133, -73.36817
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (2017)
Projected traffic13 by 2037
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$418,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lanphier Lane over Little Hoosic Riv built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2003.

What condition is Lanphier Lane over Little Hoosic Riv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Lanphier Lane over Little Hoosic Riv carry?

About 9 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Lanphier Lane over Little Hoosic Riv?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Lanphier Lane over Little Hoosic Riv?

It is owned by the Town or Township Highway Agency.